{"id":17329,"date":"2022-10-26T15:56:09","date_gmt":"2022-10-26T13:56:09","guid":{"rendered":"http:\/\/www.infokuryr.cz\/n\/?p=17329"},"modified":"2022-10-26T15:56:09","modified_gmt":"2022-10-26T13:56:09","slug":"jediny-cip-dokaze-prenaset-dvojnasobnou-datovou-propustnost-celeho-internetu-nepredstavitelne-dopady-na-globalni-digitalizaci","status":"publish","type":"post","link":"https:\/\/www.infokuryr.cz\/n\/2022\/10\/26\/jediny-cip-dokaze-prenaset-dvojnasobnou-datovou-propustnost-celeho-internetu-nepredstavitelne-dopady-na-globalni-digitalizaci\/","title":{"rendered":"Jedin\u00fd \u010dip dok\u00e1\u017ee p\u0159en\u00e1\u0161et dvojn\u00e1sobnou datovou propustnost cel\u00e9ho internetu \u2013 nep\u0159edstaviteln\u00e9 dopady na glob\u00e1ln\u00ed digitalizaci"},"content":{"rendered":"
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Jedn\u00e1 se o pr\u016flom epick\u00fdch rozm\u011br\u016f, proto\u017ee jedin\u00fd \u010dip vytvo\u0159il nov\u00fd rekord p\u0159enosu dat 1,8 petabajtu za sekundu.\u00a0Petabajt odpov\u00edd\u00e1 1 000 terabajt\u016f, neboli asi 500 miliard\u00e1m str\u00e1nek standardn\u00edho ti\u0161t\u011bn\u00e9ho textu.\u00a0Cel\u00e1 Kongresov\u00e1 knihovna by mohla b\u00fdt vys\u00edl\u00e1na 100kr\u00e1t za jedinou sekundu.\u00a0Dopad na glob\u00e1ln\u00ed digitalizaci je nep\u0159edstaviteln\u00fd.\u00a0\u2043 Editor TN<\/em><\/strong><\/p>\n

Mezin\u00e1rodn\u00ed t\u00fdm v\u00fdzkumn\u00edk\u016f z Technick\u00e9 univerzity v D\u00e1nsku (DTU) a Chalmers University of Technology v G\u00f6teborgu ve \u0160v\u00e9dsku dos\u00e1hl ohromuj\u00edc\u00edch rychlost\u00ed p\u0159enosu dat a stal se prvn\u00edm na sv\u011bt\u011b, kter\u00fd p\u0159ekro\u010dil 1 petabit za sekundu (Pbit\/s) za pou\u017eit\u00ed pouh\u00fdch m\u016f\u017ee p\u0159en\u00e1\u0161et jeden laser a jeden optick\u00fd \u010dip.<\/span><\/p>\n

1 petabit se rovn\u00e1 1 milionu gigabit\u016f.<\/p>\n

V experimentu se v\u011bdc\u016fm poda\u0159ilo p\u0159en\u00e9st 1,8 Pbit\/s, co\u017e je dvojn\u00e1sobek ve\u0161ker\u00e9ho internetov\u00e9ho provozu na cel\u00e9m sv\u011bt\u011b.\u00a0A to pouze se sv\u011btlem jedin\u00e9ho optick\u00e9ho zdroje.\u00a0Sv\u011bteln\u00fdm zdrojem je speci\u00e1ln\u011b navr\u017een\u00fd optick\u00fd \u010dip, kter\u00fd dok\u00e1\u017ee vyu\u017e\u00edt sv\u011btlo z jedin\u00e9ho infra\u010derven\u00e9ho laseru k vytvo\u0159en\u00ed duhov\u00e9ho spektra s mnoha barvami, tedy mnoha frekvencemi.\u00a0Jedna frekvence (barva) jednoho laseru tak m\u016f\u017ee b\u00fdt zn\u00e1sobena na stovky frekvenc\u00ed (barev) v jedin\u00e9m \u010dipu.<\/span><\/p>\n

V\u0161echny barvy jsou zafixov\u00e1ny v ur\u010dit\u00e9 frekven\u010dn\u00ed vzd\u00e1lenosti od sebe \u2013 jako zuby na h\u0159ebeni \u2013 proto se mu tak\u00e9 \u0159\u00edk\u00e1 frekven\u010dn\u00ed h\u0159eben.\u00a0Ka\u017ed\u00e1 barva (nebo frekvence) pak m\u016f\u017ee b\u00fdt izolov\u00e1na a pou\u017eita k otisku dat.\u00a0Frekvence lze pot\u00e9 znovu sestavit a odeslat p\u0159es optick\u00e9 vl\u00e1kno k p\u0159enosu dat.\u00a0Dokonce i obrovsk\u00e9 mno\u017estv\u00ed dat, jak v\u011bdci zjistili.<\/span><\/p>\n

Jedin\u00fd laser m\u016f\u017ee nahradit tis\u00edce<\/strong><\/span><\/p>\n

Experiment\u00e1ln\u00ed demonstrace uk\u00e1zala, \u017ee jeden \u010dip m\u016f\u017ee snadno p\u0159en\u00e1\u0161et 1,8 Pbit\/s, co\u017e by u dne\u0161n\u00edch modern\u00edch komer\u010dn\u00edch za\u0159\u00edzen\u00ed vy\u017eadovalo v\u00edce ne\u017e 1000 laser\u016f.<\/span><\/p>\n

Victor Torres Company, profesor na Chalmers University of Technology, vede v\u00fdzkumnou skupinu, kter\u00e1 navrhla a vyrobila \u010dip.<\/span><\/p>\n

\u201eNa tomto \u010dipu je zvl\u00e1\u0161tn\u00ed to, \u017ee generuje frekven\u010dn\u00ed h\u0159eben s ide\u00e1ln\u00edmi vlastnostmi pro komunikaci z optick\u00fdch vl\u00e1ken \u2013 m\u00e1 vysok\u00fd optick\u00fd v\u00fdkon a pokr\u00fdv\u00e1 velkou \u0161\u00ed\u0159ku p\u00e1sma v r\u00e1mci spektr\u00e1ln\u00edho rozsahu, kter\u00fd je zaj\u00edmav\u00fd pro pokro\u010dilou optickou komunikaci,\u201c \u0159\u00edk\u00e1 Victor Torres Company .<\/span><\/p>\n

Zaj\u00edmav\u00e9 v\u0161ak je, \u017ee \u010dip nebyl pro tuto konkr\u00e9tn\u00ed aplikaci optimalizov\u00e1n.<\/span><\/p>\n

„Ve skute\u010dnosti byly n\u011bkter\u00e9 charakteristick\u00e9 parametry dosa\u017eeny n\u00e1hodou a ne designem,“ \u0159\u00edk\u00e1 Victor Torres Company.\u00a0„Nicm\u00e9n\u011b d\u00edky \u00fasil\u00ed m\u00e9ho t\u00fdmu jsme nyn\u00ed schopni zvr\u00e1tit proces a vyr\u00e1b\u011bt mikroh\u0159ebeny pro telekomunika\u010dn\u00ed c\u00edlov\u00e9 aplikace s vysokou reprodukovatelnost\u00ed.“<\/span><\/p>\n

Obrovsk\u00fd potenci\u00e1l pro \u0161k\u00e1lov\u00e1n\u00ed<\/strong><\/span><\/p>\n

Krom\u011b toho v\u011bdci vytvo\u0159ili v\u00fdpo\u010dtov\u00fd model, aby teoreticky prozkoumali z\u00e1kladn\u00ed potenci\u00e1l pro p\u0159enos dat pomoc\u00ed jedin\u00e9ho \u010dipu identick\u00e9ho s t\u00edm, kter\u00fd byl pou\u017eit v experimentu.\u00a0V\u00fdpo\u010dty uk\u00e1zaly obrovsk\u00fd potenci\u00e1l \u0161k\u00e1lov\u00e1n\u00ed \u0159e\u0161en\u00ed.<\/span><\/p>\n

Profesor Leif Katsuo Oxenl\u00f8we, vedouc\u00ed Centra excelence v Silicon Photonics for Optical Communications (SPOC) na DTU, \u0159\u00edk\u00e1:<\/span><\/p>\n

\u201eNa\u0161e v\u00fdpo\u010dty ukazuj\u00ed, \u017ee m\u016f\u017eeme p\u0159en\u00e1\u0161et a\u017e 100 pbit\/s s jedin\u00fdm \u010dipem z Chalmers University of Technology a jedn\u00edm laserem.\u00a0D\u016fvodem je to, \u017ee na\u0161e \u0159e\u0161en\u00ed je \u0161k\u00e1lovateln\u00e9 \u2013 jak z hlediska generov\u00e1n\u00ed mnoha frekvenc\u00ed, tak z hlediska rozd\u011blen\u00ed frekven\u010dn\u00edho h\u0159ebene do mnoha prostorov\u00fdch kopi\u00ed, kter\u00e9 lze n\u00e1sledn\u011b opticky zes\u00edlit a pou\u017e\u00edt jako paraleln\u00ed zdroje pro p\u0159enos dat.\u00a0P\u0159esto\u017ee je pot\u0159eba h\u0159ebenov\u00e9 kopie zpevnit, neztr\u00e1c\u00edme vlastnosti h\u0159ebene, kter\u00e9 pou\u017e\u00edv\u00e1me pro spektr\u00e1ln\u011b efektivn\u00ed p\u0159enos dat.\u201c<\/span><\/p>\n

Ni\u017e\u0161\u00ed spot\u0159eba energie na internetu<\/strong><\/span><\/p>\n

\u0158e\u0161en\u00ed v\u00fdzkumn\u00edk\u016f je dobr\u00fdm znamen\u00edm pro budouc\u00ed spot\u0159ebu energie internetu.<\/span><\/p>\n

\u201eJin\u00fdmi slovy, na\u0161e \u0159e\u0161en\u00ed nab\u00edz\u00ed mo\u017enost nahradit statis\u00edce laser\u016f v internetov\u00fdch \u00fast\u0159edn\u00e1ch a datov\u00fdch centrech, kter\u00e9 v\u0161echny spot\u0159ebov\u00e1vaj\u00ed elekt\u0159inu a generuj\u00ed teplo.\u00a0M\u00e1me p\u0159\u00edle\u017eitost p\u0159isp\u011bt k internetu, kter\u00fd zanech\u00e1v\u00e1 men\u0161\u00ed klimatickou stopu,\u201c \u0159\u00edk\u00e1 Leif Katsuo Oxenl\u00f8we.<\/span><\/p>\n

A\u010dkoli v\u00fdzkumn\u00edci ve sv\u00e9 demonstraci prolomili petabitovou bari\u00e9ru pro jeden laserov\u00fd zdroj a \u010dip, Leif Katsuo Oxenl\u00f8we \u0159\u00edk\u00e1, \u017ee je je\u0161t\u011b t\u0159eba prov\u00e9st n\u011bjakou v\u00fdvojovou pr\u00e1ci, ne\u017e bude mo\u017en\u00e9 \u0159e\u0161en\u00ed implementovat do na\u0161ich sou\u010dasn\u00fdch komunika\u010dn\u00edch syst\u00e9m\u016f.<\/span><\/p>\n

\u201eV\u0161ude na sv\u011bt\u011b se pracuje na integraci laserov\u00e9ho zdroje do optick\u00e9ho \u010dipu a pracujeme na tom tak\u00e9.\u00a0\u010c\u00edm v\u00edce komponent\u016f dok\u00e1\u017eeme do \u010dipu integrovat, t\u00edm efektivn\u011bj\u0161\u00ed bude cel\u00fd vys\u00edla\u010d.\u00a0Tedy laser, h\u0159ebenov\u00fd genera\u010dn\u00ed \u010dip, datov\u00e9 modul\u00e1tory a v\u0161echny zesilovac\u00ed prvky.\u00a0Bude to extr\u00e9mn\u011b \u00fa\u010dinn\u00fd optick\u00fd vys\u00edla\u010d pro datov\u00e9 sign\u00e1ly,\u201c \u0159\u00edk\u00e1 Leif Katsuo Oxenl\u00f8we.<\/span><\/p>\n<\/div>\n<\/div>\n

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ZDROJ<\/a><\/span><\/h3>\n

 <\/p>\n<\/div>\n<\/div>\n","protected":false},"excerpt":{"rendered":"

Jedn\u00e1 se o pr\u016flom epick\u00fdch rozm\u011br\u016f, proto\u017ee jedin\u00fd \u010dip vytvo\u0159il nov\u00fd rekord p\u0159enosu dat 1,8…<\/p>\n","protected":false},"author":2,"featured_media":17330,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[7],"tags":[1642,647,1156,1561],"_links":{"self":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/17329"}],"collection":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/comments?post=17329"}],"version-history":[{"count":0,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/posts\/17329\/revisions"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media\/17330"}],"wp:attachment":[{"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/media?parent=17329"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/categories?post=17329"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.infokuryr.cz\/n\/wp-json\/wp\/v2\/tags?post=17329"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}